Bump puppeteer from 2.0.0 to 2.1.0

Bumps [puppeteer](https://github.com/puppeteer/puppeteer) from 2.0.0 to 2.1.0.
- [Release notes](https://github.com/puppeteer/puppeteer/releases)
- [Commits](https://github.com/puppeteer/puppeteer/compare/v2.0.0...v2.1.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

package.json

@@ -85,7 +85,7 @@
     "pixelmatch": "^5.1.0",
     "pngjs": "^3.4.0",
     "proj4": "2.6.0",
-    "puppeteer": "~2.0.0",
+    "puppeteer": "~2.1.0",
     "rollup": "^1.25.1",
     "rollup-plugin-babel": "^4.3.3",
     "rollup-plugin-commonjs": "^10.0.0",